C - Chemistry – Metallurgy – 22 – B
Patent
C - Chemistry, Metallurgy
22
B
C22B 3/38 (2006.01) B01J 31/40 (2006.01) B01J 38/50 (2006.01) C07C 45/50 (2006.01) C07C 45/80 (2006.01)
Patent
CA 2080747
Frankfurt, 22.10.1991 PAT/rcht-sei Hoe91/Y009 Hoechst Aktienqesellschaft, 6230 Frankfurt am Main 80 Abstract of the disclosure The invention relates to a process for separating off and recovering rhodium from reaction products of the oxo synthesis which have been obtained using the noble metal as the catalyst without additional complexing agents. Using the aqueous solution of an organic phosphine, the noble metal is separated off from the reaction product, which is under pressure, in the form of a water-soluble rhodiumcarbonyl compound containing the organic phosphine as a ligand.
Forster Ingrid
Mathieu Klaus
Fetherstonhaugh & Co.
Hoechst Aktiengesellschaft
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